<html><body><div class='definition'><pre><a href="psi_element://#module#__builtin__">__builtin__</a><br>def <b>len</b>(__obj: Sized) -&gt; <a href="psi_element://#typename#int">int</a></pre></div><div class='content'>len(object)&nbsp;-&gt;&nbsp;integer<br><br>Return&nbsp;the&nbsp;number&nbsp;of&nbsp;items&nbsp;of&nbsp;a&nbsp;sequence&nbsp;or&nbsp;collection.</div></body></html>